Compares the results of uterotrophic bioassays from the results of uterotrophic bioasssays from the OECD phase 2 validation studies using both the intact, immature and adult ovariectomized (OVX) versions of the uterotrophic bioassay. Presentation of the phytoestrogen analyses for laboratory diets in phase 2 of uterotrophic bioassay validation program.